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USPTO Patent Rankings Data through Sept 30, 2025
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Haishan Qin — 1 Patent in 2021

Chengde County, CN: #1 of 1 inventorsTop 100%
Overall (2021): #439,193 of 548,734Top 85%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11180917 Structure and method for connecting a composite insulation exterior wall panel and a steel structural beam-column 2021-11-23